blockquote, body, button, code, dd, div, dl, dt, fieldset, form, h1, h2, h3, h4, h5, h6, input, legend, li, ol, p, pre, td, textarea, th, ul {
  margin: 0;
  padding: 0;
}
* {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}